using System;

using static System.Net.Mime.MediaTypeNames;

​

namespace bt9

{

    class Program

    {

        static void Main(string[] args)

        {

​

            Console.WriteLine("Dem so chu so cua so nguyen duong");

            int n, solveN, dem, chuso, tong;

            Console.WriteLine("Nhap so n");

            n = int.Parse(Console.ReadLine());

            dem = 0;

            solveN = n;

            tong = 0;

            while (solveN > 0)

            {

                chuso = solveN % 10;

                if(chuso % 2 == 0)

                {

                    Console.WriteLine(chuso);

                    tong += chuso;

                }

​

                solveN = solveN / 10;

​

            }

            Console.WriteLine($" tong cac chu so chan so nguyen duong n la {n} la {tong}");

​

        }

    }

}